On Wed, 3 Mar 2021 11:19:45 -0800 Stephen Hemminger <step...@networkplumber.org> wrote:
> This is a new type of reader-writer lock that provides better fairness > guarantees which makes it better for typical DPDK applications. > They lock internally uses two ticket pools, one for readers and one > for writers. > > Phase fair reader writer locks ensure that neither reader or writer will be > starved. Neither reader or writer are preferred, they execute in > alternating phases. All operations of the same time (reader or writer) > that try to acquire the lock are handled in FIFO order. Write > operations are exclusive, and multiple read operations can be run > together (until a write arrives). > > A similar implementation is in Concurrency Kit package in FreeBSD. > For more information see: > "Reader-Writer Synchronization for Shared-Memory Multiprocessor > Real-Time Systems", > http://www.cs.unc.edu/~anderson/papers/ecrts09b.pdf > > Signed-off-by: Stephen Hemminger <step...@networkplumber.org> Why has there been no review of this patch? The only complaint in patchwork is a bogus checkpatch warning about possible spelling error.
